15. To configure the wireless network settings of Volumio, connect your host machine or mobile phone to
the “Volumio” network and then type http://volumio.local into your browser.
16. Go to the settings section and follow the instructions in the Volumio GUI to finish your wireless
configuration. The next time the Raspberry Pi is booted it will connect to the configured network
automatically.
17. Finally, go to the settings section and select “Playback options” to configure the MERUS
TM
audio amp
HAT as the system’s sound card. Turn the I
2
S option on and choose MERUS
TM
audio amp as the output
device and DAC model.
18. Select “Shutdown” from the menu and then turn on the Raspberry Pi again so the system is rebooted.
19. For more information visit the Volumio documentation site.
20. Turn on the Raspberry Pi (pre-configuration should have been applied according to the steps above).
21. Type “<your Raspberry Pi IP address>/DEV” or “volumio.local/DEV” on your host machine’s web
browser and press “ENABLE” under the SSH section. There is no output warning or message after
enabling the SSH option, so once the button has been pressed do not expect any messages. For details
visit https://volumio.github.io/docs/User_Manual/SSH.html.
22. Next, in order to log in remotely to the Raspberry Pi from a Linux or macOS machine, type the following
(including your IP address) in the terminal window:
ssh volumio@<ipadress>
23. If you are on a Windows machine use “volumio” as the user and the Raspberry Pi IP address in the host
address/name of any terminal window application such as Putty. The password is “volumio”.
24. Finally, once you have accessed the Raspberry Pi through SSH, type:
aplay -lL
to check the driver’s sound card and codec were loaded. If the process was successful the terminal should show
the same output prompt as in Figure 4.
It shows that the default sound card is “snd_rpi_merus_amp” with “ma120x0-amp-0” codec referring to the
Infineon MA120x0P class D amplifier series.
4.4 AirPlay (shairport-sync)
Wireless audio streaming in Raspbian is also possible with shairport-sync, which brings AirPlay support to the
Raspberry Pi. In order to install shairport-sync type the following command in the Raspberry Pi terminal
window:
sudo apt-get install shairport-sync
Finally, open any AirPlay-compatible streaming application and find your Raspberry Pi host name as an AirPlay
device.
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